Home / 19,555.26-26,986.38-10,602.69

Finding the Fourth Proportional to 19,555.26, 26,986.38 and 10,602.69

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Solution

The fourth proportional to 19,555.26, 26,986.38 and 10,602.69 is: 14,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.26 : 26,986.38 = 10,602.69 : x
  2. Step 2: Convert to fraction form
    19,555.26/26,986.38 = 10,602.69/x
  3. Step 3: Cross multiply
    19,555.26x = 26,986.38 × 10,602.69
  4. Step 4: Simplify right side
    19,555.26x = 286,128,221.36
  5. Step 5: Solve for x
    x = 286,128,221.36/19,555.26
  6. Step 6: Final answer
    x = 14,631.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.